Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP11224383UpriorityCriticalpatent/JPS6021062U/ja
Priority to US06/683,509prioritypatent/US4571221A/en
Publication of JPS6021062UpublicationCriticalpatent/JPS6021062U/ja
Application grantedgrantedCritical
Publication of JPS6235965Y2publicationCriticalpatent/JPS6235965Y2/ja